Christianity: All things whatsoever ye would that men should do to you, do ye so to them; for this is the law and the prophets.
Matthew 7:1
Buddhism: Hurt not others in ways that you yourself would find hurtful.
Udana-Varga 5,1
Islam: No one of you is a believer until he desires for his brother that which he desires for himself.
Sunnah
Judaism: What is hateful to you, do not do to your fellowman. This is the entire Law; all the rest is commentary.
Talmud, Shabbat 3id
Hinduism: This is the sum of duty; do naught onto others what you would not have them do unto you.
Mahabharata 5,1517
Must be something to it if it is found in all of them. Interesting name, Golden Rule.
